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Current state: "Under Discussion"
Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).
When starting Kafka with its server.properties file, one can override some properties using the --override option. In contrast, when starting Kafka-Connect with its worker.properties file, there is no --override option.
Having the --override option when starting Kafka-Connect will provide the users the flexibility in starting Kafka-Connect in various situations. While lacking of this option is confusing for those users who have used the --override option for Kafka.
A new option is added for connect-distributed.sh
--override <String>: Optional property that should override values set in worker.properties file
We proposed to add the handling of the --override arguments at DistributedConnect. It appears that only a minor change is required at the startup of DistributedConnect and the proposed change is available at https://github.com/elakito/kafka/tree/ay-connect-cmdopts with commit https://github.com/elakito/kafka/commit/1e54536598d1ce328d0aee10edb728270cc04af1
Compatibility, Deprecation, and Migration Plan
- no impact on existing users
- compatible with the older behavior, no migration needed